Nexus
by nexus-router · Databases · mcp-server, ai
AI gateway that aggregates multiple MCP servers and LLM providers through a unified HTTP interface with JWT authentication, rate limiting, and tool discovery for centralized AI resource management.
Nexus is an AI router built by Grafbase that aggregates multiple MCP servers and LLM providers (OpenAI, Anthropic, Google Vertex AI) through a unified HTTP interface, transforming from a simple MCP router into a full-featured AI gateway. It features comprehensive rate limiting with token-based quotas, stateless JWT-based authentication, tool discovery via Tantivy search indexing, and support for both STDIO and HTTP MCP server protocols with OAuth2 token forwarding. The implementation includes Docker deployment, Redis-backed distributed rate limiting, bring-your-own-key functionality for secure API key management, and extensive integration testing, making it valuable for organizations needing centralized AI resource management, multi-tenant AI applications requiring usage controls, and enterprises seeking to aggregate diverse AI tools and models behind a single authenticated endpoint.
Source: https://github.com/nexus-router/nexus
Install
git clone https://github.com/nexus-router/nexusTags: mcp-server, ai
⭐ 487 GitHub stars · Source: pulsemcp
About Databases MCP servers and Claude skills
Databases MCP servers extend what AI agents can do inside Claude Code, Cursor, Copilot, Codex, and Windsurf. The Skiln directory indexes 16,000+ such integrations across 22 categories.
Nexus is one of hundreds of Databases entries indexed on Skiln. Browse the full Databases category or the complete directory of Claude skills, MCP servers, agents, commands, and hooks.
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Frequently asked questions
How do I install Nexus?
Add the install command above to your Claude Code, Cursor, or Windsurf MCP configuration. Most servers register via npx, a local command, or a Docker image. Refer to the source repository for environment variables and credential requirements.
Which clients support Nexus?
Any MCP-compatible client works: Claude Desktop, Claude Code CLI, Cursor, Windsurf, Zed, and VS Code with the official MCP extension. OpenAI Codex and GitHub Copilot increasingly support MCP via adapter bridges.
Is Nexus free?
The server itself is typically open source. Any upstream service (API keys, paid tiers, hosted infrastructure) may have its own pricing. Check the source repository for details.